YIXING E-COORD I/E CO.,LTD manufactures self drilling screws,self tapping screws,drywall screws,chipboard screws,bolts,nuts,washer,steel wire ropes,nail making machine,wire drawing machine, etc

hex washer head self drilling screw

with steel/rubber washer or EPDM washer

size:

4.8x29,38,50,60,64,70,76,80

5.5x19,25,32,38,51,64,76

6.3x19,25,32,38,45,50,64,76,102

6.3x127,152